My unicode keeper

Hi All,

My unicode keeper.  It is a work in progress.  Pelase
comment, if you be of a mind to.

Do we use `U2248 ≈` at all?  Maybe I just use that on in writing, 
instead of ~

-T


Perl6: Unicode characters:

References:
     https://en.wikipedia.org/wiki/Quotation_mark#Curved_quotes_and_Unicode
     https://docs.raku.org/language/quoting
 
https://en.wikipedia.org/wiki/Mathematical_operators_and_symbols_in_Unicode#Mathematical_Operators_block

Unicode charaters are covienient to use to avoid having
to escape things.


 From a standard keyboard, Ctrl+Shift+unicode

    Some useful unicode characters:

        UFF62 ｢    Ctrl+Shift+u f f 6 2
        UFF62 ｣    Ctrl+Shift+u f f 6 3
        U201D „    Ctrl+Shift+u 2 0 1 D
        U00AB «    Ctrl+Shift+u 0 0 A B
        U00BB » 	  Ctrl+Shift+u 0 0 B B
        U2260 ≠    Ctrl+Shift+u 2 2 6 0
        U2248 ≈    Ctrl+Shift+u 2 2 4 8

Some uses:

    For use as a litter quote in a regex (Q[] does not work inside regex's)

       say so Q[A:\] ~~ / ｢:\｣ /;
       True

       say so Q[A:\] ~~ / ｢:/｣ /;
       False

    For accessing keys inside a hash with a variable:

      my %h= a=>"A", b=>"B";
      my $i= "b";
      say %h<$i>;
      (Any)
      say %h<<$i>>;
      B
      say %h«$i»;
      B
      say %h{$i};
      B

   Math:
      say so 5 ≠ 6
      True

      say so 5 ≠ 5
      False

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